package com.leyou.item.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.leyou.common.exception.LyException;
import com.leyou.item.dto.SpecParamDTO;
import com.leyou.item.entity.SpecParam;
import com.leyou.item.mapper.SpecParamMapper;
import com.leyou.item.service.SpecParamService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
@Service
public class SpecParamServiceImpl extends ServiceImpl<SpecParamMapper, SpecParam> implements SpecParamService {
    @Autowired
    private SpecParamService specParamService;
    @Override
    public List<SpecParamDTO> queryParamByCategoryId(Long cid) {

        return SpecParamDTO.convertEntityList(specParamService.query().eq("category_id",cid).list());
    }

    @Override
    public void addParams(SpecParamDTO specParamDTO) {

        specParamService.save(specParamDTO.toEntity(SpecParam.class));
    }

    @Override
    public void updataParams(SpecParamDTO specParamDTO) {
        specParamService.updateById(specParamDTO.toEntity(SpecParam.class));
    }

    @Override
    public List<SpecParamDTO> querySpecParams(Long categoryId, Long groupId, Boolean searching) {


        // 健壮性判断
        if(categoryId == null && groupId == null){
            // 条件不能都为空
            throw new LyException(400, "查询条件不能为空！");
        }
        //查询
        List<SpecParam> list = query().eq(categoryId != null, "category_id", categoryId)
                .eq(groupId != null, "group_id", groupId)
                .eq(searching != null, "searching", searching)
                .list();
        return SpecParamDTO.convertEntityList(list);
    }
}
